Could you switch on kernel modesetting debug messages? Run 'sudo xdiagnose', it's the first checkbox. Click apply, let it rebuild your bootloader, then reboot. Now reproduce the bug, and then collect 'sudo dmesg > dmesg.txt' and post that here.
Could you switch on kernel modesetting debug messages? Run 'sudo xdiagnose', it's the first checkbox. Click apply, let it rebuild your bootloader, then reboot. Now reproduce the bug, and then collect 'sudo dmesg > dmesg.txt' and post that here.